English operator: Panoramio described at URL: https://web.archive.org/web/20161019191817/http://www.panoramio.com/photo/59202503...
archive.org/web/20161014055609/http://www.panoramio.com/user/3057152?with_photo_id=27266649 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102203149/http://www.panoramio.com/user/5545770?with_photo_id=92521392 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028051810/http://www.panoramio.com/photo/95497688...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012010646/http://www.panoramio.com/photo/17672329...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023113946/http://www.panoramio.com/photo/59202477...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021131121/http://www.panoramio.com/photo/59202602...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016222008/http://www.panoramio.com/photo/42498454...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102160459/http://www.panoramio.com/photo/59202451...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023153634/http://www.panoramio.com/photo/59202536 determination method...